Package

Source Code of Transform

/**
* Copyright (c) 2009-2012, Lukas Eder, lukas.eder@gmail.com
* All rights reserved.
*
* This software is licensed to you under the Apache License, Version 2.0
* (the "License"); You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
*   list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
*   this list of conditions and the following disclaimer in the documentation
*   and/or other materials provided with the distribution.
*
* . Neither the name "jOOQ" nor the names of its contributors may be
*   used to endorse or promote products derived from this software without
*   specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import static org.joox.JOOX.$;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Collections;

import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.apache.commons.lang3.StringUtils;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;
import org.joox.Match;

/**
* XSL transformation utility for HTML pages
*
* @author Lukas Eder
*/
public class Transform {
    private static FopFactory fopFactory = FopFactory.newInstance();

    public static void main(String[] args) throws Exception {
        System.out.println("Transforming multi-page manual");
        System.out.println("------------------------------");
        multiplePages();

        System.out.println();
        System.out.println("Transforming single-page manual");
        System.out.println("-------------------------------");
        singlePage();

        System.out.println();
        System.out.println("Transforming PDF manual");
        System.out.println("-------------------------------");
        pdf();
    }

    public static void multiplePages() throws Exception {
        InputStream isXML = Transform.class.getResourceAsStream("manual.xml");
        InputStream isXSL = Transform.class.getResourceAsStream("html-pages.xsl");

        StreamSource xsl = new StreamSource(isXSL);
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer(xsl);

        Match manual = $(isXML);
        for (Match section : manual.find("section").each()) {
            Match sections = section.add(section.parents("section")).reverse();

            String path = StringUtils.join(sections.ids(), "/");
            String relativePath = StringUtils.join(Collections.nCopies(sections.size(), ".."), "/") + "/";
            File dir = new File(path);
            dir.mkdirs();

            System.out.println("Transforming section " + path);
            FileOutputStream out = new FileOutputStream(new File(dir, "index.php"));

            Source source = new DOMSource(manual.document());
            Result target = new StreamResult(out);

            transformer.setParameter("sectionID", section.id());
            transformer.setParameter("relativePath", relativePath);
            transformer.transform(source, target);

            out.close();
        }
    }

    public static void singlePage() throws Exception {
        InputStream isXML = Transform.class.getResourceAsStream("manual.xml");
        InputStream isXSL = Transform.class.getResourceAsStream("html-page.xsl");

        StreamSource xsl = new StreamSource(isXSL);
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer(xsl);

        Match manual = $(isXML);

        File dir = new File("manual-single-page");
        dir.mkdirs();

        System.out.println("Transforming manual");
        FileOutputStream out = new FileOutputStream(new File(dir, "index.php"));

        Source source = new DOMSource(manual.document());
        Result target = new StreamResult(out);

        transformer.transform(source, target);

        out.close();
    }

    public static void pdf() throws Exception {

        // XML -> FO
        // ---------------------------------------------------------------------
        System.out.println("Transforming XML -> FO");
        InputStream isXML = Transform.class.getResourceAsStream("manual.xml");
        InputStream isXSL = Transform.class.getResourceAsStream("pdf.xsl");

        StreamSource xsl = new StreamSource(isXSL);
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer(xsl);

        Match manual = $(isXML);

        File dir = new File("manual-pdf");
        dir.mkdirs();
        FileOutputStream fout = new FileOutputStream(new File(dir, "jOOQ-manual.fo.xml"));

        Source source = new DOMSource(manual.document());
        Result target = new StreamResult(fout);

        transformer.transform(source, target);
        fout.close();

        // FO -> PDF
        // ---------------------------------------------------------------------
        // See an example about how to do it here:
        // http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/examples/embedding/java/embedding/ExampleFO2PDF.java?view=markup
        System.out.println("Transforming FO -> PDF");

        OutputStream out = null;

        fopFactory.setUserConfig(new File("C:/Users/lukas/workspace/jOOQ-website/src/main/resources/fop.config.xml"));
        FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
        // configure foUserAgent as desired

        // Setup output stream.  Note: Using BufferedOutputStream
        // for performance reasons (helpful with FileOutputStreams).
        out = new FileOutputStream(new File(dir, "jOOQ-manual.pdf"));
        out = new BufferedOutputStream(out);

        // Construct fop with desired output format
        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out);

        // Setup JAXP using identity transformer
        transformer = factory.newTransformer(); // identity transformer

        // Setup input stream
        Source src = new StreamSource(new File(dir, "jOOQ-manual.fo.xml"));

        // Resulting SAX events (the generated FO) must be piped through to FOP
        Result res = new SAXResult(fop.getDefaultHandler());

        // Start XSLT transformation and FOP processing
        transformer.transform(src, res);

        out.flush();
        out.close();

        // Open the PDF and check it
        Runtime.getRuntime().exec(new String[] {
                "C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe",
                "C:\\Users\\lukas\\workspace\\jOOQ-website\\manual-pdf\\jOOQ-manual.pdf" });
    }
}
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